[Qgis-user] Issue with QGIS code responsabile of launching plugins and launching Python console

[Tudorache, Marian]

Hi again,
I have sent an email which was rejected because of the size. I removed the attachments and send it back.
Please let me know if you need that attachments.

Thank you,
Marian


From: Tudorache, Marian
Sent: June-17-15 1:38 PM
To: qgis-user at lists.osgeo.org
Cc: Dave Johansen (davejohansen at gmail.com); Kluew, Vlad
Subject: Issue with QGIS code responsabile of launching plugins and launching Python console

Hi everyone,


I just want to mention the community group that I had to do some changes to 5 python scripts from QGIS.

Problem Definition:
When QGIS 2.8 Wien was launched on Red Hat 7 a Python Error popup window shows up.
I had attach the screenshot ErrorLaunch.png and Error.txt with the complete error message.
Hitting Close allows QGIS to start and it seems the main features of the application were affected except Python Console and Plugins.
When I tried to activate Python console I got another  error (see ErroLaunchPython.png). The same error was when I tried to launch any Plugin.


Initially I thought the issue is from an installation mistake but I was wrong. In reality was some problematic python code.

The script: ui_console_compile_apis.py had at the end an import statement like this: from Qsci.qscisciscintilla import QsciScintilla.

I checked with PyQt4 and I found that QsciScintilla is part of PyQt4.Qsci there is no qscisciscintilla class inside Qsci. So I replaced the importing statement with from PtQt4. Qsci import QsciScintilla.



The scripts: ui_DlgGetScriptsAndModels.py, ui_DlgHelpEdition.py, ui_DlgAlgorithmBase.py, ui_DlgResults.py had at the end an import statement like this: from QtWebKit.QtWebView import QWebView.

I checked with PyQt4 and I found that QWebView is part of PyQt4. QtWebKit. So I replaced the importing statement with PtQt4.QtWebKit import QWebView.



I recompiled those files and replace them in QGIS application and the errors were gone. Now I am able to use QGIS, Python and all plugins without any problem.



So I would like to advise me what is the procedure if I had to change QGIS source code.



NB.
The source that I used to install QGIS and I found those issues is: FEDORA-EPEL-2015-6639

qgis-2.8.2-1.el7<https://admin.fedoraproject.org/updates/FEDORA-EPEL-2015-6639/qgis-2.8.2-1.el7?_csrf_token=e4be1107678b48ddd258829378af126dc23700a0>

Fedora EPEL 7<https://admin.fedoraproject.org/updates/EPEL-7?_csrf_token=e4be1107678b48ddd258829378af126dc23700a0>

.














Thanks,

Marian













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